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Finding the Fourth Proportional to 69,862.50, 96,196.76 and 52,659.88

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Solution

The fourth proportional to 69,862.50, 96,196.76 and 52,659.88 is: 72,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.50 : 96,196.76 = 52,659.88 : x
  2. Step 2: Convert to fraction form
    69,862.50/96,196.76 = 52,659.88/x
  3. Step 3: Cross multiply
    69,862.50x = 96,196.76 × 52,659.88
  4. Step 4: Simplify right side
    69,862.50x = 5,065,709,837.99
  5. Step 5: Solve for x
    x = 5,065,709,837.99/69,862.50
  6. Step 6: Final answer
    x = 72,509.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.